AD 2004-04-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | General | Electric Company (GE) CF6-80 Series Turbofan | Airworthiness Directives; General Electric Company (GE) CF6-80 Series Turbofan Engines |
Unsafe Condition
Cracks in the bottom of the dovetail slot of certain stage 1 high-pressure turbine (HPT) rotor disks could propagate, leading to disk failure and an uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Rework certain disks by chamfering the aft breakedge of the dovetail slot bottom before further flight. Retain the initial inspection requirement as a qualification for rework procedures. Continue repetitive inspections only for disks without defined rework procedures. Remove certain CF6-80E1 series disks from service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
GE CF6-80 series turbofan engines with certain stage 1 high-pressure turbine (HPT) rotor disks, expanded population as defined by the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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